package com.cswnode.Event;

import com.alibaba.fastjson.JSONObject;
import com.cswnode.Entity.Event;
import com.cswnode.Entity.Message;
import com.cswnode.Service.MessageService;
import com.cswnode.Util.Constant;
import org.apache.kafka.clients.consumer.ConsumerRecord;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.kafka.annotation.KafkaListener;
import org.springframework.stereotype.Component;

import java.util.Date;
import java.util.HashMap;
import java.util.Map;

/**
 * @author csw
 * @create 2020/11/1 10:50
 */
//消费者
@Component
public class EventConsumer {

    private static Logger logger = LoggerFactory.getLogger(EventConsumer.class);

    @Autowired
    private MessageService messageService;

    @KafkaListener(topics = {Constant.TOPIC_COMMENT,Constant.TOPIC_LIKE,Constant.TOPIC_FOLLOW})
    public void handleComment(ConsumerRecord record){
        if (record == null || record.value() == null) {
            logger.error("消息内容为空");
            return;
        }
        Event event = JSONObject.parseObject(record.value().toString(),Event.class);
        if (event == null) {
            logger.error("消息的格式错误");
            return;
        }
        Message message = new Message();
        message.setFromId(Constant.SYSTEM_ID);
        message.setToId(event.getEntityUserId());
        message.setConversationId(event.getTopic());
        message.setCreateTime(new Date());

        Map<String,Object> content = new HashMap<>();
        content.put("userId",event.getUserId());
        content.put("entityType",event.getEntityType());
        content.put("entityId",event.getEntityId());
        if (!(event.getData().isEmpty())){
            for (Map.Entry<String,Object> entry:event.getData().entrySet()){
                content.put(entry.getKey(),entry.getValue());
            }
        }
        message.setContent(JSONObject.toJSONString(content));
        messageService.insertMessage(message);

    }

}
